50609889 has 12 divisors (see below), whose sum is σ = 79749072. Its totient is φ = 30672600.

The previous prime is 50609869. The next prime is 50609903. The reversal of 50609889 is 98890605.

It is not a de Polignac number, because 50609889 - 2²⁰ = 49561313 is a prime.

It is a super-2 number, since 2×50609889² = 5122721729184642, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50609869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255507 + ... + 255704.

It is an arithmetic number, because the mean of its divisors is an integer number (6645756).

Almost surely, 2^50609889 is an apocalyptic number.

It is an amenable number.

50609889 is a deficient number, since it is larger than the sum of its proper divisors (29139183).

50609889 is a wasteful number, since it uses less digits than its factorization.

50609889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511228 (or 511225 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 50609889 is about 7114.0627632879. The cubic root of 50609889 is about 369.8950006417.

The spelling of 50609889 in words is "fifty million, six hundred nine thousand, eight hundred eighty-nine".